Sedentary behaviour may cause differences in physical outcomes and activities of daily living in older cardiovascular disease patients participating in phase I cardiac rehabilitation.

This study aimed to investigate the rate of sedentary behaviour and differences in physical outcomes and activities of daily living (ADL) based on sedentary behaviour time of hospitalized older cardiovascular disease patients undergoing phase I cardiac rehabilitation. Older cardiovascular disease patients were enrolled from October 2020 to September 2023 and were divided into the high sedentary behaviour group (≥ 480 min/day) and low sedentary behaviour group (< 480 min/day). Patients' clinical characteristics, usual gait speed, and Five Times Sit to Stand Test time were compared as indices of physical outcomes.

The Association between fatigue and physical activity in patients hospitalized with subacute stroke.

Background: Little is known about the association between fatigue and physical activity in patients hospitalized with subacute stroke.

Objectives: The aim of this study was to investigate the association between fatigue and physical activity in patients hospitalized with subacute stroke.

Methods: This cross-sectional study enrolled 244 consecutive patients with stroke who were admitted to a subacute rehabilitation ward at our hospital.

Determinants of Anaerobic Threshold at Each Stage of Renal Dysfunction in Patients With Heart Disease.

Patients with heart disease have a low anaerobic threshold (AT), and the determinants of AT may differ, depending on the severity of renal dysfunction. This study aimed to verify the determinants of AT for each stage of renal function in patients with heart disease. We consecutively enrolled 250 patients with heart disease who underwent cardiopulmonary exercise testing in our institution.

Association between worsening renal function severity during hospitalization and low physical function at discharge: a retrospective cohort study of older patients with heart failure and chronic kidney disease from Japan.

Background: The number of hospitalized older patients with chronic heart failure, chronic kidney disease, and worsening renal function is rising in Japan. This study aimed to clarify the impact of the severity of worsening renal function during hospitalization on low physical function at discharge of these patients.

Methods: We included 573 consecutive heart failure patients who underwent phase I cardiac rehabilitation.

Relation of sedentary behaviour to physical function in phase I cardiac rehabilitation.

Increased sedentary behaviour (SB) is reportedly associated with mortality and morbidity in cardiovascular disease. However, its relation with physical function is not well understood in phase I cardiac rehabilitation (CR). This study aimed to investigate the rate of SB and the relation between SB and physical function among patients participating in phase I CR.

End-tidal oxygen partial pressure is a strong prognostic predictive factor in patients with cardiac disease.

Background: Cardiopulmonary exercise testing (CPET) variables represent central and peripheral factors and combined factors in the pathology of patients with cardiac disease. The difference in end-tidal oxygen partial pressure from resting to anaerobic threshold (ΔPETO ) may represent predominantly peripheral factors. This study aimed to verify the prognostic significance of ΔPETO for major adverse cardiac and cerebrovascular events (MACCE) in cardiac patients, including comparison with the minute ventilation-carbon dioxide production relationship (VE/VCO slope), and peak oxygen uptake (VO ).

Relationship between health literacy and physical function of patients participating in phase I cardiac rehabilitation: a multicenter clinical study.

Health literacy (HL) is an important decision factor for health. Both low HL and low physical function cause adverse events in cardiovascular disease patients, but their relationship is not well documented. To clarify the relationship between HL and physical function of patients participating in cardiac rehabilitation and calculate the cutoff value of the 14-item HL scale (HLS) for low handgrip strength, this multicenter clinical study named the Kobe-Cardiac Rehabilitation project for people around the World (K-CREW) was conducted among four affiliated hospitals with patients who underwent cardiac rehabilitation.

Health Literacy Is Associated with Activities of Daily Living of Patients Participating in Cardiac Rehabilitation: A Multicenter Clinical Study.

The activities of daily living (ADL) in patients with cardiac disease tend to decline. A previous study revealed that ADL relates to physical and cognitive functions associated with health literacy (HL). However, the relationship between HL and ADL is not well documented.

Determinants of Peak Oxygen Uptake at Each Stage of Renal Dysfunction in Patients with Heart Disease.

Background: Identifying the causes of low peak oxygen uptake (peak V̇ ) in heart disease patients with renal dysfunction is necessary for prognostic improvement strategies. The purpose of this study was to verify the determinants of peak V̇ for each stage of renal function in heart disease patients, focusing on end-tidal oxygen partial pressure ( ).

Methods: Two hundred fifty heart disease patients who underwent cardiopulmonary exercise testing (CPET) in our institution were consecutively enrolled.

Relationship between physical function at discharge and hospital meal intake in elderly patients with heart failure.

The relationship between low physical function (LPF) at discharge and food intake percentage (FIP) during hospitalization is unclear. We aimed to clarify the relationship between LPF at discharge and FIP and the change in nutritional status during hospitalization in elderly patients with heart failure (HF), and determine cutoff values for FIP and change in nutritional status during hospitalization. We included 431 consecutive patients aged ≥ 65 years who were hospitalized for HF and underwent cardiac rehabilitation (CR) from 2017 to 2019.

Impact of cardiac surgery-associated acute kidney injury on activities of daily living at discharge in elderly cardiac surgery patients.

Cardiac surgery-associated acute kidney injury (CSA-AKI) is a critical complication associated with mortality and morbidity. This study aimed to clarify the impact of CSA-AKI on activities of daily living (ADL) at discharge in elderly cardiac surgery patients. We included 122 cardiac patients who underwent coronary artery bypass surgery, valve surgery, or combined surgery by mid-line incision followed by postoperative cardiac rehabilitation (CR) from March 2015 to May 2020.

Older phase 2 cardiac rehabilitation patients engaged in gardening maintained physical function during the COVID-19 pandemic.

This study aimed to clarify the effects of gardening on hemodynamic response, rating of perceived exertion (RPE) during exercise, and body weight in patients in whom phase 2 cardiac rehabilitation (CR) was interrupted due to the Coronavirus disease 2019 (COVID-19) pandemic. Among 76 outpatients participating in consecutive phase 2 CR in both periods from March to April and June to July 2020, which were before and after CR interruption, respectively, at Sanda City Hospital were enrolled. The inclusion criterion was outpatients whose CR was interrupted due to COVID-19.

Relationship of end-tidal oxygen partial pressure to the determinants of anaerobic threshold in post-myocardial infarction patients.

The anaerobic threshold (AT), obtained during cardiopulmonary exercise testing (CPET), is an important prognostic measure and can be used to develop an exercise prescription in patients after a myocardial infarction (post-MI). The purpose of this study was to examine the central and peripheral determinants of AT in post-MI patients end-tidal oxygen partial pressure (PETO) measures. We performed cardiopulmonary exercise testing (CPET) on 148 consecutively enrolled post-MI patients to determine PETO measured at the AT (AT PETO) and ΔPETO (difference between resting PETO and AT PETO).

Impact of worsening renal function on peak oxygen uptake in patients with acute myocardial infarction.

Aim: Worsening renal function (WRF) induced by acute myocardial infarction (AMI) is a strong predictor of cardiovascular events and mortality. Peak oxygen uptake may contribute to prognosis in AMI patients with WRF, however, the impact of WRF on peak oxygen uptake is unclear.

Methods: Among 154 patients with AMI who underwent emergency percutaneous coronary intervention and participated in phase II cardiac rehabilitation, those who underwent cardiopulmonary exercise testing were consecutively enrolled.

Impact of the COVID-19 pandemic on phase 2 cardiac rehabilitation patients in Japan.

This study aimed to clarify the effects of the interruption of cardiac rehabilitation (CR) and refraining from going outside due to the COVID-19 pandemic on hemodynamic response and rating of perceived exertion (RPE) during exercise including differences by age in phase 2 CR outpatients. Among 76 outpatients participating in consecutive phase 2 CR in both periods from March to April and June to July 2020, which were before and after CR interruption, respectively, at Sanda City Hospital were enrolled. The inclusion criterion was outpatients whose CR was interrupted due to COVID-19.

Worsening renal function during hospitalization in elderly patients with heart failure: an independent factor of activities of daily living decline.

This study aimed to clarify the effects of worsening renal function (WRF) during hospitalization on activities of daily living (ADL) at discharge of elderly heart failure (HF) patients. We included 323 consecutive patients hospitalized for HF who were prescribed phase I cardiac rehabilitation (CR) from November 2017 to April 2019. WRF was defined as a relative increase from baseline in serum creatinine of 25% or that in serum creatinine ≥ 0.

Increased Heart Rate during Walk Test Predicts Chronic-Phase Worsening of Renal Function in Patients with Acute Myocardial Infarction and Normal Kidney Function.

Chronic-phase worsening renal function (WRF) in patients with acute myocardial infarction (AMI) has been associated with poor prognosis. However, there is no consensus on either the method of prevention or the cause. The aim of this study was to determine factors predictive of chronic-phase WRF from the viewpoint of circulatory dynamics response to exercise during hospitalization of AMI patients without renal dysfunction on admission.

Factors delaying the progress of early rehabilitation of elderly Japanese patients with heart failure.

Background: Although intervention with early cardiac rehabilitation (CR) is recommended for elderly patients treated for acute heart failure (HF), there are patients in whom the progress of early CR will be delayed. The aim of this study was to clarify factors related to the progress of early CR.

Methods: We enrolled 180 Japanese inpatients aged ≥ 65 years with HF in the present retrospective cohort study.